Gravesendの時間
15:27:13
日の出: 07:58:59 
日没: 16:14:5023:27:13
18:27:13
12:27:13
20:57:13
09:27:13
23:27:13
20:27:13
23:27:13
23:27:13
20:57:13
18:27:13
23:27:13
21:27:13
00:27:13
12:27:13
Gravesendと主要都市の時差
15:27:13
-5
10:27:13
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8